He then joined the ABC in 1982, where he worked as a radio and television journalist, covering general news, politics, police rounds, finance, industrial affairs and sport.
[1][2] In December 1984, Quartermain joined Network 10 where, during the 1980s, he was sports commentator for the National Basketball League and he also covered events such as the Seoul Olympics, Wimbledon, The Ashes and the world gymnastics championships.
[citation needed] He also covered Commonwealth games, the Sydney Olympics and other special sporting events including AFL, Rugby League, Basketball and Swimming.
From 1998 until 2004, he appeared on shows such as The Panel, providing sports reports, and commentated Australian Football League matches for Network Ten when they gained the rights in 2002.
Starting with the 2009 season, he has co-hosted with Robert Walls the new football discussion show One Week at a Time on Network 10's HD channel 10 Bold.
[citation needed] In 2013, Quartermain joined radio station 3AW as an AFL commentator[7] but left at the end of the season following his appointment as the chief news presenter at Network Ten Melbourne.